Description

Raybestos MD934 refers to a brake rotor
Key Specifications

Type: Disc Brake Rotor
Material: High-quality cast iron (G3000 grade)
Finish: Non-directional ground finish for smooth braking
Coating: Many Raybestos rotors feature Grey Fusion 4.0® coating for corrosion resistance, though this depends on the exact sub-line (Element3 vs. R-Line). [ricksfreea…advice.com]
Design: OE fitment with precise machining for minimal runout and thickness variation
Cooling: Internal cooling vanes for heat dissipation
Compatibility

Commonly used in medium-duty commercial vehicles, such as:

Certain Chevrolet/GMC trucks
Ford E-Series vans
Other fleet or work vehicles (exact fitment depends on year, make, and model)
Performance Features
Durability: Handles heavy loads and high-temperature conditions
Corrosion Resistance: Coated versions resist rust, ideal for harsh climates
Smooth Operation: Reduced noise, vibration, and harshness (NVH)
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Compare MD934 to similar Raybestos rotors (like Element3 vs. R-Line